Rab Nitron 18L Backpack Speed and Spunk The Nitron 18L Backpack is designed for hikers and trail runners seeking a compact and stable pack for day-long excursions. Its streamlined design and close-fitting harness ensure comfort and freedom of movement during high-intensity activities. Features Lightweight and durable, constructed from tough nylon ripstop fabric Stable fit, vest-style harness with elasticated double chest straps provides a secure, bounce-free carry Breathable back system, with contoured panel with ventilation to keep you cool Easy access storage, main compartment with zipped entry and top pocket for quick access to essentials On-the-go hydration, compatible with up to a 3-liter water bladder and features a soft flask harness pocket (soft flask not included)Versatile pole storage, options for both traditional and Z-pole attachments Convenient harness pockets, for quick access to snacks or small items MFG#: QAP-68SPECIFICATIONSIntended Use Day hiking, trail running Volume18 LWeight1 lb 4 oz / 560 g Material100D nylon ripstop Dimensions18. 9" x 9. 8" x 5. 9"Back Length19" | Rab | Nitron 18L Backpack | Nylon